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Start Immediate Scavenging of Stale Resource Records

Applies To: Windows Server 2008, Windows Server 2008 R2

You can use this procedure to immediately remove server resource records that have exceeded the allotted time since they were created.

Membership in the Administrators group, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at http://go.microsoft.com/fwlink/?LinkId=83477.

Starting immediate scavenging of stale resource records

To start immediate scavenging of stale resource records using the Windows interface
  1. Open DNS Manager.

  2. In the console tree, right-click the applicable Domain Name System (DNS) server, and then click Scavenge Stale Resource Records.

  3. When you are asked to confirm that you want to scavenge all stale resource records on the server, click OK.

Additional considerations

  • To open DNS Manager, click Start, point to Administrative Tools, and then click DNS.

To start immediate scavenging of stale resource records using a command line
  1. Open a command prompt.

  2. Type the following command, and then press ENTER:

    dnscmd <ServerName> /StartScavenging


Parameter Description


The command-line tool for managing DNS servers.


Required. Specifies the DNS host name of the DNS server. You can also type the IP address of the DNS server. To specify the DNS server on the local computer, you can also type a period (.)


Required. Initiates resource record scavenging.

To view the complete syntax for this command, at a command prompt, type the following command, and then press ENTER:

dnscmd /StartScavenging /help

Additional considerations

  • To open an elevated Command Prompt window, click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

Additional references

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